<template>
    <div>
                <!--这里放置真实显示的DOM内容-->
        <div id="slider" class="mui-slider">
            <div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
                <div class="mui-scroll">
                    <a :class='["mui-control-item" , item.id===0?"mui-active":""]' href="#item1mobile" data-wid="tab-top-subpage-1.html"
                     v-for="item in cates" :key="item.id">
                        {{item.title}} 
                    </a>
                </div>
            </div>
        </div>   

        <!-- 图片列表 -->
        <ul class="photo-list">
            <router-link v-for="item in list" :key="item.id" :to="'/home/photoinfo/'+item.id" tag="li">
                <img v-lazy="item.img_url">

                 <!-- 图片介绍 -->
                <div class="info">
                    <h1 class="info-title">{{item.title}}</h1>
                    <div class="info-body">{{item.zhaiyao}}</div>
                </div>
            </router-link>
        </ul>
    </div>
</template>
<script>
import mui from "@/lib/mui/js/mui.min.js";

import { getALlCategory,getPhotoListByCateId } from "@/api";
export default {
  data() {
    return {
      cates: [],
      list:[]
    };
  },
  created() {
      /* 顶部导航 */
    getALlCategory().then(res => {
      //console.log(res);
      if (res.data.status == 0) {
        res.data.message.unshift({ title: "全部", id: 0 });
        this.cates = res.data.message;
        //console.log(this.cates, 88);
      }
    });

/* 图片 */
    getPhotoListByCateId(0).then(res=>{
      //console.log(res)
        if (res.data.status == 0) {
        this.list = res.data.message;
      }
    });


  },
  mounted() {
    /* 当组件中的dom结构渲染好并放到页面中的时候 */
    mui(".mui-scroll-wrapper").scroll({
      deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
    });
  },
  methods: {
      
  }
};
</script>
<style lang="less" scoped>
.photo-list{
    list-style: none;
    margin: 0;
    padding: 10px;
    li{
        background-color: #ccc;
        text-align: center;
        margin-bottom: 10px;
        box-shadow: 0 0  9px  #999;
        position: relative;
        
        /* 这是显示的图片 */
        img{
            width:100%;
            vertical-align: middle;
        }
        /* 这是懒加载图片 */
        img[lazy=loading] {
            width: 40px;
            height: 300px;
            margin: auto;
        }
    }

    /* 图片介绍 */
    .info{
        color:#fff;
        background:rgba(0,0,0,0.5);
        position:absolute;
        bottom:0;
        text-align: left;
        max-height:84px;
        .info-title{
            font-size: 14px;
        }
        .info-body{
            font-size: 13px;
            

        }
    }
}


</style>
